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Finding the Fourth Proportional to 598,231.80, 897,347.70 and 346,289.40

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Solution

The fourth proportional to 598,231.80, 897,347.70 and 346,289.40 is: 519,434.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,231.80 : 897,347.70 = 346,289.40 : x
  2. Step 2: Convert to fraction form
    598,231.80/897,347.70 = 346,289.40/x
  3. Step 3: Cross multiply
    598,231.80x = 897,347.70 × 346,289.40
  4. Step 4: Simplify right side
    598,231.80x = 310,741,996,624.38
  5. Step 5: Solve for x
    x = 310,741,996,624.38/598,231.80
  6. Step 6: Final answer
    x = 519,434.10

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.